In the reaction KMnO_4 + H_2SO_4 + H_2C_2O_4, | vedclass

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(C) The reaction between potassium permanganate $(KMnO_4)$ and oxalic acid $(H_2C_2O_4)$ in the presence of sulfuric acid $(H_2SO_4)$ is given by: $2K

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Autocatalyst

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(C) The reaction between potassium permanganate $(KMnO_4)$ and oxalic acid $(H_2C_2O_4)$ in the presence of sulfuric acid $(H_2SO_4)$ is given by: $2KMnO_4 + 3H_2SO_4 + 5H_2C_2O_4 \rightarrow K_2SO_4 + 2MnSO_4 + 8H_2O + 10CO_2$. In this reaction,$Mn^{2+}$ ions are produced as one of the products. These $Mn^{2+}$ ions increase the rate of the reaction,a phenomenon known as autocatalysis. Therefore,$Mn^{2+}$ acts as an autocatalyst.

In the reaction $KMnO_4 + H_2SO_4 + H_2C_2O_4$,the $Mn^{2+}$ ions act as:

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